Features: 1. HDMI KVM switch: This product allows you to control 2 computers or laptops, share 4 USB 3.0 devices and 2 monitors (extended display mode or duplicate display mode) with only one set of wired or wireless keyboard and mouse. 2. Ultra HD: Supports resolutions up to 4K 60Hz, 2K 120Hz, supports input terminals to connect 2 computers with different resolutions, for example, one is 4K 60Hz, the other is 4K 30Hz, 1440P 60Hz, 3D, 1080P 60Hz or more low resolution. 3. With 4 USB 3.0 ports: HDMI USB switch with 4 integrated USB 3.0 ports, can recognize keyboard, mouse, printer, scanner and other USB devices. Supports ultra-fast USB 3.0 data transfer up to 5Gbps, backwards compatible with USB 2.01.1 devices. When using high-power USB devices with this (such as HDD, digital video camera, SSD, etc.), an external 5V adapter is required. Otherwise, no power connection is required. 4. Support EDID simulation: The switcher can simulate the EDID of the display, store the resolution and refresh rate of the display, and each input port has an EDID emulator, so that the PC always has the correct display information. 5. Compatible with a variety of systems: the switcher is driver-free and suitable for Windows 11107 and Mac OSLinux, etc., easy to install, plug and play. 6. Wide compatibility: Dual monitors support multiple input devices, such as PC, laptop, Apple TV, Xbox, and are widely used in various offices, multimedia teaching, conference rooms, etc. Specifications: 1. Standard: HDMI 2.0 2. Resolution range: up to 3840x2160 60Hz, 3440x1440 144Hz120Hz, 2560x1440 144Hz120Hz, 1920x1080 60Hz (depending on system and connected hardware) 3. Connector: HDMI-A interface 4. HDMI cable range: less than 15M (resolution: 1920x1080 60Hz) less than 5M (resolution: 3840x2160 30Hz) 5. USB interface protocol: USB3.0 6. PC input: USB-A 7. PC output: USB-A 8. Other power supplies: USB power supply (DC 5V optiona